<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>CORS 示例</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
</head>
<body>
<div id="message"></div>
</body>

<script>
    $(document).ready(function () {
        // Ajax 跨域 GET 请求
        $.get("http://localhost:8080/hello", function (data) {
            alert(data);
            $("#message").html(data);
        });
    });
</script>

</html>